Key: Step 533. Diamesinae 9 Boreoheptagyia

533a. Sternites I-VI unarmed; sternite VII with a narrow band of small points postero-medially.

Boreoheptagyia rugosa

533b. Sternites II-VIII extensively armed with small points.

Step 534. Diamesinae 10 Boreoheptagyia
Decision path